Quote notifications

- Send an internal email when quotes are accepted/declined
- Clients are prompted to confirm accept/decline with confirm-link
- Tidy

guest_footer.php

@@ -7,6 +7,7 @@
   <!-- ./wrapper -->
 
   <!-- REQUIRED SCRIPTS -->
+  <?php require_once "inc_confirm_modal.php"; ?>
 
   <!-- jQuery -->
   <script src="plugins/jquery/jquery.min.js"></script>
@@ -23,5 +24,7 @@
 
   <script src="js/app.js"></script>
 
+  <script src="js/confirm_modal.js"></script>
+
   </body>
 </html>